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Incheon, South Korea (Sports Network) - Suzann Pettersen fired a course-record 9-under 63 on Friday to grab a 1-stroke lead after the opening round of the LPGA KEB - HanaBank Championship.

Pettersen, the 2007 winner, posted her low round of the year on the Ocean Course at Sky 72 Golf Club.

Karin Sjodin is one stroke back at minus-8, while Ai Miyazato, Hyun-Hee Moon, Ha Neul Kim, So Yeon Ryu and Azahara Munoz share third place at 6-under 66.

Defending champion and world No. 1 Yani Tseng is alone in eighth place after opening with a 67. That was just her second score in the 60s in her last 16 rounds.

MORE TO FOLLOW.